High Quality Content by WIKIPEDIA articles! "Thinking of You" is a song by American singer and songwriter Katy Perry, taken from her second studio album, One of the Boys (2008). The song is the third single from the album, and is one of the three songs on the album that Perry wrote solely herself. As of June 2012, "Thinking of You" is Perry`s lowest charting single to date worldwide. The song peaked at only 29 on the US Billboard Hot 100 chart, her only song not to break the Top 10. The song also peaked at number 27 in the United Kingdom. Two versions of a music video were released. One was a promotional video which was directed by a friend of hers where she is in a white and dark apartment. The second version was the commercial released version, which received positive reception from music critics.